If you use:
enable_original_recipient = no
...then Postfix will suppress duplicates (but, unfortunately, it will no
more log all original recipients).
See this thread:
http://tech.groups.yahoo.com/group/postfix-users/message/275275
Nick
On 15/3/2011 3:03 πμ, Andreas Ntaflos wrote:
Robert is very probably right. Misconfiguring Postfix's content filter capabilities can lead to message duplication when expanding aliases.
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